A Possible Time-Dependent Generalization of the Bipartite Quantum Marginal Problem |
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| Authors: | Giuseppe Baio Dariusz Chruściński Antonino Messina |
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| Institution: | 1.SUPA and Department of Physics,University of Strathclyde,Glasgow,UK;2.Nicolaus Copernicus University,Toruń,Poland;3.Dipartimento di Matematica e Informatica,Universitá degli Studi di Palermo,Palermo,Italy;4.I.N.F.N., Sezione di Catania,Catania,Italy |
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| Abstract: | In this work, we study an inverse dynamical problem for a bipartite quantum system governed by the time local master equation: to find the class of generators which give rise to a certain time evolution with the constraint of fixed reduced states (marginals). The compatibility of such choice with a global unitary evolution is considered. For the nonunitary case, we propose a systematic method to reconstruct examples of master equations and address them to different physical scenarios. |
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